Danfoss VLT HVAC Series, Programming Manual, Page: 115 / 338

3.9 Main Menu - Communications and Options - Group 8
3.9.1 8-** Comm. and Options
Parameter group for configuring communications and options.
3.9.2 8-0* General Settings
General settings for communications and options.
8-01 Control Site
Option: Function:
The setting in this parameter overrides the settings in par.8-50
Coasting Select
to par.8-56
Preset
Reference Select
.
[0] * Digital and ctrl. word Control by using both digital input and control word.
[1] Digital only Control by using digital inputs only.
[2] Control word only Control by using control word only.
8-02 Control Source
Option: Function:
Select the source of the control word: one of two serial interfaces or four installed options. During
initial power-up, the adjustable frequency drive automatically sets this parameter to
Option A
[3] if
it detects a valid serial communication bus option installed in slot A. If the option is removed, the
adjustable frequency drive detects a change in the configuration, sets par.8-02
Control Source
back
to default setting
Adjustable Frequency Drive Port
, and the adjustable frequency drive then trips. If
an option is installed after initial power-up, the setting of par.8-02
Control Source
will not change
but the adjustable frequency drive will trip and display: Alarm 67
Option Changed
.
[0] None
[1] FC RS-485
[2] FC USB
[3] * Option A
[4] Option B
[5] Option C0
[6] Option C1
[30] External Can
NOTE!
This parameter cannot be adjusted while the motor is running.
VLT ® HVAC Drive Programming Guide 3 Parameter Description
MG.11.C6.22 - VLT ® is a registered Danfoss trademark
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